actions/register.php

   1 <?php
   2 /*
   3  * Laconica - a distributed open-source microblogging tool
   4  * Copyright (C) 2008, Controlez-Vous, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 if (!defined('LACONICA')) { exit(1); }
  21
  22 class RegisterAction extends Action {
  23
  24         function handle($args) {
  25                 parent::handle($args);
  26
  27                 if (common_logged_in()) {
  28                         common_user_error(_t('Already logged in.'));
  29                 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
  30                         $this->try_register();
  31                 } else {
  32                         $this->show_form();
  33                 }
  34         }
  35
  36         function try_register() {
  37                 $nickname = $this->trimmed('nickname');
  38                 $email = $this->trimmed('email');
  39
  40                 # We don't trim these... whitespace is OK in a password!
  41
  42                 $password = $this->arg('password');
  43                 $confirm = $this->arg('confirm');
  44
  45                 # Input scrubbing
  46
  47                 $nickname = common_canonical_nickname($nickname);
  48                 $email = common_canonical_email($email);
  49
  50                 if (!$this->boolean('license')) {
  51                         $this->show_form(_t('You can\'t register if you don\'t agree to the license.'));
  52                 } else if (!Validate::email($email, true)) {
  53                         $this->show_form(_t('Not a valid email address.'));
  54                 } else if (!Validate::string($nickname, array('min_length' => 1,
  55                                                                                                           'max_length' => 64,
  56                                                                                                           'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
  57                         $this->show_form(_t('Nickname must have only letters and numbers and no spaces.'));
  58                 } else if ($this->nickname_exists($nickname)) {
  59                         $this->show_form(_t('Nickname already exists.'));
  60                 } else if ($this->email_exists($email)) {
  61                         $this->show_form(_t('Email address already exists.'));
  62                 } else if ($password != $confirm) {
  63                         $this->show_form(_t('Passwords don\'t match.'));
  64                 } else if ($this->register_user($nickname, $password, $email)) {
  65                         # success!
  66                         if (!common_set_user($nickname)) {
  67                                 common_server_error(_t('Error setting user.'));
  68                                 return;
  69                         }
  70                         common_redirect(common_local_url('profilesettings'));
  71                 } else {
  72                         $this->show_form(_t('Invalid username or password.'));
  73                 }
  74         }
  75
  76         # checks if *CANONICAL* nickname exists
  77
  78         function nickname_exists($nickname) {
  79                 $user = User::staticGet('nickname', $nickname);
  80                 return ($user !== false);
  81         }
  82
  83         # checks if *CANONICAL* email exists
  84
  85         function email_exists($email) {
  86                 $email = common_canonical_email($email);
  87                 $user = User::staticGet('email', $email);
  88                 return ($user !== false);
  89         }
  90
  91         function register_user($nickname, $password, $email) {
  92                 # TODO: wrap this in a transaction!
  93                 $profile = new Profile();
  94                 $profile->nickname = $nickname;
  95                 $profile->profileurl = common_profile_url($nickname);
  96                 $profile->created = DB_DataObject_Cast::dateTime(); # current time
  97
  98                 $id = $profile->insert();
  99                 if (!$id) {
 100                         return FALSE;
 101                 }
 102                 $user = new User();
 103                 $user->id = $id;
 104                 $user->nickname = $nickname;
 105                 $user->password = common_munge_password($password, $id);
 106                 $user->email = $email;
 107                 $user->created =  DB_DataObject_Cast::dateTime(); # current time
 108                 $user->uri = common_mint_tag('user:'.$id);
 109
 110                 $result = $user->insert();
 111                 if (!$result) {
 112                         # Try to clean up...
 113                         $profile->delete();
 114                 }
 115                 return $result;
 116         }
 117
 118         function show_form($error=NULL) {
 119                 global $config;
 120
 121                 common_show_header(_t('Register'));
 122                 common_element_start('form', array('method' => 'POST',
 123                                                                                    'id' => 'login',
 124                                                                                    'action' => common_local_url('register')));
 125                 common_input('nickname', _t('Nickname'));
 126                 common_password('password', _t('Password'));
 127                 common_password('confirm', _t('Confirm'));
 128                 common_input('email', _t('Email'));
 129                 common_element_start('p');
 130                 common_element('input', array('type' => 'checkbox',
 131                                                                           'id' => 'license',
 132                                                                           'name' => 'license',
 133                                                                           'value' => 'true'));
 134                 common_text(_t('My text and files are available under '));
 135                 common_element('a', array(href => $config['license']['url']),
 136                                            $config['license']['title']);
 137                 common_text(_t(' except this private data: password, email address, IM address, phone number.'));
 138                 common_element_end('p');
 139                 common_submit('submit', _t('Register'));
 140                 common_element_end('form');
 141                 common_show_footer();
 142         }
 143 }